"Cyanin" Natural Recordings by Native Speakers
Cyanin is a rare or obsolete word. However, I believe you meant to type "cyanin" as "cyanine". Cyanine is a class of water-soluble dyes that are used in biotechnology applications such as DNA sequencing, gene cloning, and protein crystallization. They are also used in the study of biomolecules and are known for their ability to selectively bind to specific molecules.
Cyanin
Cyanoacetic refers to a compound that consists of a cyano group (-CN) linked to an acetic acid group (COOHCH3). Specifically, it is a colorless liquid with a characteristic odor, used in the production of plastics, adhesives, and other chemicals.